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Operating Manual MP-3739

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Summary of Contents for MP-3739

Page 1: ...1 Operating Manual MP 3739 ...

Page 2: ...V or 24V nominal voltage solar PV array 4 Do not connect any defective or damaged measuring equipment 5 Follow general safety and accident prevention regulation 6 Never alter or remove the factory plates and identification labels 7 Keep children away from PV systems 8 Never open the device 9 Only one solar array can connect with one controller only 10 Never touch bare cables ends Other risks Dange...

Page 3: ... Function Manual load switch with automatic re start Two timer schedule programmable MPPT technology capturing more energy from sun What is MPP tracking MPPT MPPT stands for Maximum Power Point Tracking This describes a process by means of which the solar module is always operated at the point of maximum possible power The point of maximum power can vary depending on the operating mode local condi...

Page 4: ...ming Default window The default window will show battery voltage capacity volume of the battery and an overview of the system operation Manual load control At the default display window press the enter button to control the load ON or OFF The load icon will turn display to indicate if the load is turned on or off Charge current Press menu button once to check charging current one press from defaul...

Page 5: ...nce it s done press enter button for final confirmation Bulk charge voltage Press menu button 4 times from the default window Window will switch to BULK voltage programmable setup interface Press enter button once you can program charge voltage via the Pageup Pagedown button 12V Battery 13 8V 14 8V 24V Battery 27 6V 29 6V Float charge voltage Press menu button 5 times from the default window Windo...

Page 6: ...button and then confirm by enter e Tim r 2 NLF OFF Press menu button again from Time1 window will switch to Timer2 setup interface Press enter button once you can adjust the Hour 1 12hours via Pageup Pagedown button and then confirm by enter NOTE Timer1 hour setting controls the time the load is turned ON after entering night mode Timer2 hour setting controls the time the load is turned OFF after ...

Page 7: ...tion for time and ON OFF setup as mentioned above NOTE for programming Timer1 Timer2 Setting either Timer to ON sets the time when you want to turn the load on Setting either Timer to OFF sets the time when you want to turn the load off Setting either Timer to ON OFF will disable the timer and the load output will revert to manual load control Functional Explanations 1 PWM Charge control Depending...

Page 8: ...as well as direct and indirect warming from sunlight To ensure proper air circulation for cooling MP 3739 an area of 15cm on each side of the MP 3739 must be kept free The LCD display should be protected against UV rays e g sunlight Long time exposure to UV rays can permanently discolor the LCD The solar charge controller may only be connected to the local loads and the battery by qualified person...

Page 9: ...controller 2 1 Mark the position of controller fix holes on the walls 2 2 Drill 4pcs Ø6mm holes and insert dowels 2 3 Fix the controller to the wall with the cable openings facing downwards using 4 oval head screws M4x35 DIN 7996 Grounding Grounding MP 3739 is not technically required when installing a stand alone solar system However if required common grounding of the negative of the PV array ba...

Page 10: ...ery is allowed to absorb current at a constant voltage The constant voltage regulation prevents overheating and battery gassing this stage terminates when the battery current is below 3 Amp or after 3 hours entered in absorption mode Float Maintenance After the battery is fully charged the controller reduces the battery voltage to a float charge providing minimal current Protection functions Overc...

Page 11: ...nt the second error code is displayed after remedying the more significant error The following meaning is assigned to the different error codes 1 Meaning Battery polarity reverse warning Remedy Reconnect cable of battery in proper way 2 Meaning Battery is wrong Remedy Check battery voltage it might be too low or too high Recharge battery manually if necessary If battery can t be recharged it might...

Page 12: ... by Electus Distribution Pty Ltd 320 Victoria Rd Rydalmere NSW 2116 Australia Ph 1300 738 555 Fax 1300 738 500 www electusdistribution com au 5 Meaning Over voltage on the battery Which means the battery is abnormally over charged Remedy replace the battery Generally with an aged battery system it gets higher voltage when charging due to the depreciation of the capacity Replace the battery system ...

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